Here is BSNL Free Internet Trick 2014. This is 100% Working Trick.
Step 1 - make sure that balance is less than rs.1 (always be secure)
Step 2 - make the setting given
Step 3 - APN : celloneportal
Step 4 - Proxy: 142.121.33.268
Step 5 - Port: 8080
Step 6 - Homepage: google.com
Step 7 - Now restart your phone
Enjoy Friends !!!